What Is Azomite And How To Use It In Gardening

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Last Updated on December 27, 2022

Most farmers do have not a proper understanding of what is azomite and how to use it in gardening, especially if they practice organic farming.

Continuous propagation and leaching effects of water deplete the essential minerals and micro-nutrients from the soils. Such soils remain weak, not able to support the production of fruits and vegetables.

Azomite mineral contains micronutrients that supplement the soil. It also balances the minerals for growth and overall productivity. Constant use of this mineral rejuvenates your soil renewing its potency again.

What is Azomite?

Azomite is a naturally mined mineral product that is ready to use. It’s a unique rock that comes from a mine in central Utah.  Azomite requires no mixing or special preparation before use. It is derived from volcano ash that spewed out millions of years ago.

It contains the widest range of minerals of all the rock dust in the world.  Azomite provides plants with 70% essential elements. These elements include magnesium, calcium, potassium, and silicon for plant growth.

Facts About Azomite Fertilizer

  • It’s a natural mineral – 100% natural with no fillers or additives
  • Does not contain any harmful elements
  • Requires no special preparation before use
  • It’s odorless – very friendly to use
  • Does not restrict water penetration or aeration
  • Is easily broken down and absorbed into the soil
  • Does not burn plants

How To Use Azomite For Plants

Azomite should accompany compost, manures, hummus, or other fertilizers. It provides additional nitrogen, potassium, and phosphorous. It can either be lightly turned into the soil surface or applied in the row when planting.

Azomite Application Rate

  • When Planting: Use ¼ cup per plant. For larger areas, apply 44 lb per acre based on rows that are approximately 18” apart with 12” apart.
  • For House Plants: Use 1 teaspoon per 2-inch pot with potting soil before planting. Use 1 teaspoon in a 1-gallon watering can quarterly.
  • For Gardens: Apply 1 lb per 25 root feet or 10 lbs per 100 square feet by watering or top dressing. If planting in rows, mix into the soil along the rows at a rate of 1 lb per 25 ft of row. If using an established bed, sprinkle around each plant.
How To Use Azomite For Plants
  • For Trees: Apply 1 to 5 lbs each depending on the tree size. For grapes, roses, and shrubs, use 1 lb per plant spread it around the root zone, and rake it.
  • New Lawns: use 5 lb per 1000 square feet.
  • Established Lawns: use 3 lbs per 100 square feet. Apply once per year in spring or fall broadcasting evenly and watering it.
  • When Transplanting Seedlings: Add 1-3 tablespoons per seedling

Where to Buy Azomite

Getting the right azomite is important.  Beat the quacks by buying from the company itself or finding sellers on Amazon. Be sure to get the right product in its purest form for excellent results.

How Often Should I Apply Azomite?

The type of plants you are growing and the specific soil conditions will determine how often you should apply Azomite to the ground. Generally, Azomite is a slow-release fertilizer. You should apply it once or twice a year. If you use Azomite as a soil amendment, you can apply it at planting time or mix it into the soil before planting. If you are using Azomite as a fertilizer, you can apply it according to the instructions on the product label.

It is important to be careful not to overapply Azomite. This can lead to excess nutrients in the soil and potentially harm your plants. If you are unsure how often to apply Azomite, you can consult a local gardening expert or the product manufacturer for more specific advice.

How Long Does it Take for Azomite to Work?

The amount of time it takes for Azomite to affect your plants will depend on a variety of factors. These include the type of plants you are growing and your specific soil conditions. Because Azomite is a slow-release fertilizer, it can take several weeks to months for plants to show improved growth and health.

If you use Azomite as a soil amendment, you may see immediate effects like an improved soil structure and increased water retention. Other benefits will only become apparent over time. It is essential to be patient.

What Color is Azomite?

Azomite is a mineral product composed of minerals and trace elements. It is typically a light brown or tan color and has a granular or powdery texture. Azomite can also sometimes have a reddish or orange tint, depending on the specific minerals and trace elements that it contains.

Generally, the color of Azomite is not important. The trace elements and minerals are what benefit plants.

What is The pH of Azomite?

The pH of Azomite is not a fixed value. It can vary depending on the specific minerals and trace elements that it contains. Generally, Azomite is considered t be neutral to slightly alkaline. Its pH can range from
6.5 to 8.0.

The soil in which you are applying Azomite is a more important factor to consider. This will affect the availability of nutrients to plants.

Does Azomite Have Iron in It?

Azomite does not contain iron as a standalone ingredient, but it may have small amounts of it as a trace element. Iron is an essential nutrient for plant growth and is required in tiny quantities to produce chlorophyll and ensure the proper functioning of enzymes.

While Azomite does not contain large amounts of iron, it can still help plants grow and thrive with the trace amounts it has. Additionally, the other minerals and trace elements present in Azomite can help improve the soil’s overall health, which can support the uptake of iron by the plants.

Does Azomite Expire?

Azomite does not have an expiration date. It is a natural mineral product that does not spoil or go bad over time. The minerals and trace elements in it do not break down or lose their effectiveness over time.

However, Azomite may lose some potency if it is stored improperly or exposed to extreme conditions such as very high temperatures or prolonged exposure to moisture. It is generally best to keep Azomite in a cool, dry place and to use it within a few years of purchase to ensure that it is at its full potency.

If you are unsure whether your Azomite is still effective, you can consult the manufacturer or a local gardening expert for more information.

How Much Azomite is Needed Per Cubic Foot of Soil?

The amount of Azomite you should use per cubic foot of soil will depend on the specific plants you are growing and the conditions of your soil. Generally, it is recommended that you use 1 – 2 cups f Azomite per cubic foot of soil.

However, this is just a general guideline. You may need to adjust the amount of Azomite you use based on the specific needs of your plants and soil. It is also essential to follow the product label instructions and avoid overapplying Azomite. Doing this can lead to excess nutrients in the ground and potentially harm your plants.


Nature has a way of healing itself if we give it that chance. Volcanic eruptions are dangerous especially to those living around the area, but what a blessing in disguise to get the volcanic ash to feed the soil and plants in return! This is above comprehension. Organic farming never got any better!


When should AZOMITE be applied?

AZOMITE should be applied to the soil surface of actively growing plants when growth has been inhibited, such as in the fall. In some cases, it may be necessary to apply AZOMITE to a young plant during its first few weeks of growth. It is important to note that AZOMITE should not be used on crops that are still maturing, or on plants that are actively growing. How much should you apply?

A good rule of thumb is to use half the recommended rate for the area of your crop. For example, if the application rate is 3 lbs per acre, you would apply 1.5 lbs per acre. If the crop is large, then apply more. If the crop is small, then apply less. If you have an irrigation system, then you need to add water to the soil to cover the amount of product that was applied to the soil. How should AZOMITE be applied? Apply AZOMITE by mixing it into the top 5 inches of soil at planting time. Do not use this product on crops that are actively growing. If your crop is small, then apply less product than if it is large. For example, if the crop is a small tomato plant, then apply about one half the recommended rate. If the crop is a large tomato plant, then apply the full recommended rate.

What plants benefit from AZOMITE?

What does AZOMITE do to help? AZOMITE has been found to have an impact on plants in relation to disease. 

It helps plants recover after a fungal attack. We know that fungi are constantly attacking our plants. When AZOMITE is applied, it reduces the amount of fungi that is able to grow and attack your plant. This allows the plant to heal itself faster and to get back to a healthy state. What other benefits does AZOMITE have for plants? AZOMITE is not only good for helping plants fight diseases, it also helps plants get better at fighting disease! In fact, AZOMITE can be used to help plants fight against bacteria, viruses, and fungi. As the fungi are reduced, the plant’s immune system gets stronger. AZOMITE has also been shown to help plants grow taller and healthier. It is an ideal product to use on crops like tomatoes, peppers, cucumbers, melons, pumpkins, and more. AZOMITE is a natural remedy that is safe to use on your plants. It does not damage plants or harm any of the soil. It’s non-toxic and won’t harm the environment. The only downside to using AZOMITE is that it will take a little bit longer for your plants to get back to their normal state. But the benefits will be worth it.

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